This APC Slow Flyer Pusher propeller measures 11 inches in diameter with a 4.7-inch pitch, designed for pusher-configuration slow flyer aircraft where the prop faces rearward to thrust air forward. The slow flyer geometry features wide, paddle-style blades suited to low-RPM electric motors common in lightweight foam and park flyer builds. A hub adapter collar is included to accommodate different motor shaft sizes. Features: 11 in diameter, 4.7 in pitch Pusher configuration blade pitch Wide slow-flyer blade profile for low-RPM motors Includes hub adapter collar 7/7/26 cs